56310621105 has 16 divisors (see below), whose sum is σ = 90100249344. Its totient is φ = 30031246080.

The previous prime is 56310621091. The next prime is 56310621121. The reversal of 56310621105 is 50112601365.

It is not a de Polignac number, because 56310621105 - 2⁹ = 56310620593 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 532600 + ... + 629510.

It is an arithmetic number, because the mean of its divisors is an integer number (5631265584).

Almost surely, 2^56310621105 is an apocalyptic number.

It is an amenable number.

56310621105 is a deficient number, since it is larger than the sum of its proper divisors (33789628239).

56310621105 is a wasteful number, since it uses less digits than its factorization.

56310621105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135656.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 56310621105 in words is "fifty-six billion, three hundred ten million, six hundred twenty-one thousand, one hundred five".